Does this board have esp32 chip included on the dev board or is this meant to sit on top of an esp32 dev board like a wroom or similar?

This development board already contains esp32 chip, you can refer to the detailed picture for the location of the chip

Do you sell a replacement lcd screen? I didn't realize how fragile they are and I cracked mine.

Dear customer, we have LCD screens sold separately. You can replace them. Please contact the customer service team for details jialing@lilygo.cc Thank you

This is not ESP32-S3, ESP32-S3 is amazon.com/dp/B0B7X5RVTH?ref=myi_title_dp

How do the mcus communicate between each other? is there example using i2c or spi or can? no point in buying two mcus and use only one

The MCUs would communicate with each other via WiFi or Bluetooth. I2C, SPI and can are used to communicate with peripherals such as sensors or displays. One could have devices with temperature/humidity sensors at different places in your environment using the on-board display to show the temperature at that location and have the device send the values to a central location periodically.

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T-Display-S3 ESP32-S3 1.9 inch ST7789 LCD Display TTGO Development Board Soldered pin Header Version

T-Display-S3 ESP32-S3 1.9 inch ST7789 LCD Display TTGO Development Board Soldered pin Header Version

Product ID: 428878478

Details

Brand
LILYGO
CPU model
Others
Memory storage capacity
16 MB
Model name
T-Display-S3
RAM memory installed size
16 MB

⚡16MB Flash for lightning-fast storage

📶WiFi 802.11 + Bluetooth 5.0 + BT mesh for seamless connectivity

🧠Dual-core LX7 MCU for powerhouse performance

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฿2321

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In stock

Sold byAmazon ThailandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚀 Tiny board, massive potential — build the future in your palm!

MEMORY TO SPARE - 16MB Flash and 8MB PSRAM handle complex code and multitasking with ease
COMMUNITY BACKED - Open-source support and active GitHub repo fuel your innovation journey
NEXT GEN WIRELESS - Integrated WiFi and Bluetooth 5.0 with mesh networking for future-proof projects
COMPACT POWERHOUSE - 1.9-inch vibrant ST7789 LCD packs big visuals in a tiny frame
EFFORTLESS PROTOTYPING - Pre-soldered pin headers save you setup time and frustration

The LILYGO T-Display-S3 is a compact ESP32-S3 development board featuring a crisp 1.9-inch ST7789 LCD, dual-core LX7 microprocessor, and robust wireless connectivity including WiFi 802.11 and Bluetooth 5.0 with mesh. With 16MB Flash and 8MB PSRAM, plus pre-soldered pin headers, it’s designed for rapid prototyping and versatile IoT projects, backed by an active open-source community.

Specifications

ASIN	B09J112YR7
Best Sellers Rank	29,091 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 241 in Motherboards
Box Contents	USB cable
Brand	LILYGO
Brand Name	LILYGO
CPU Model	Others
CPU model	Others
Compatible Devices	Devices with USB or Bluetooth connection
Connectivity technology	Bluetooth, USB
Country of Origin	China
Customer Reviews	4.4 out of 5 stars 118 Reviews
Global Trade Identification Number	16971336330899, 16971336331162
Item Dimensions L x W x H	6.2L x 2.6W x 1H centimetres
Manufacturer	LILYGO
Manufacturer Part Number	2.44 x 1.02 x 0.39
Memory Storage Capacity	16 MB
Memory storage capacity	16 MB
Model Name	T-Display-S3
Model Number	2.44 x 1.02 x 0.39
Model name	T-Display-S3
Network Connectivity Technology	Bluetooth, USB
Operating System	Micropython
Processor Brand	Espressif
Processor Count	2
RAM Memory Installed	16 MB
RAM Memory Technology	LPDDR3
RAM memory installed size	16 MB
Smart Home Compatibility	Not Smart Home Compatible
Total USB Ports	1
Unit Count	1.0 count
Wireless Compability	Bluetooth

Reviews

C**.

smaller than i expected but it's okay

10.04.2023

M**M

Superb

Very powerful little module. Built in Wifi & BT, can be used for a range of projects. In short supply, hence the current price. Very well packed (foam inside plastic case). Documentation is sparse, but there are a lot of YT videos to guide you...

2.01.2023

G**N

Ik ben heel tevreden

Snelle levering. Plezant om mee te werken.

6.03.2026

L**A

Very good but basic.

I like the screen but it’s overpriced on AMZ. It works as a speed display in my car and now I understand why car display are so expensive. This display floods up with black pixels when it’s very hot inside the car. After a cooldown it’s back to normal. Programming is very easy and no issues with drivers and libraries.

9.07.2025

C**N

OPENED BOX, USED ITEM, BROKEN SCREEN !!

IT ARRIVED IN AN OPENED BOX, SOLDER ON PIN HEADERS AND IN MANY PCB BOARD HOLES. ON TOP OF THAT, A BROKEN SCREEN !!!! NOT EVEN ONE STAR, ZERO!

9.01.2026

G**N

Great uC and display

Great for the price.

9.09.2023

M**2

Perfektes Board zum guten Preis

Das T-Display-S3 ist aus meiner Sicht ein perfektes Board zum Experimentieren und kommt in bester Qualität an. Passende Gehäuse kann man sich aus Holz basteln oder im 3D-Drucker ausdrucken. So finden auch Kinder schnell einen Zugang zu komplexen Technologien und Programmierung.

7.12.2023

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